diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 75baf7ac223..7846be44efd 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -347,6 +347,9 @@ In particular:
 [RFC 2544]: https://datatracker.ietf.org/doc/html/rfc2544
 [RFC 3849]: https://datatracker.ietf.org/doc/html/rfc3849
 
+For IPv6, link local addresses (FE80::/10) addresses are allowed in contexts
+where link local is being tested.
+
 ### IPv4
 
 *   `TEST-NET-1`: (192.0.2.0/24): control plane addresses split into /30 subnets
diff --git a/tools/check_ip_addresses.pl b/tools/check_ip_addresses.pl
index 376b7dff14b..b4c3a56916c 100755
--- a/tools/check_ip_addresses.pl
+++ b/tools/check_ip_addresses.pl
@@ -63,6 +63,7 @@ END
 
   my $ip = $parsed->ip();
   next if $ip =~ /2001:0?db8:/i;        # IPv6 Test Net (RFC 3849)
+  next if $ip =~ /fe80:/i;              # IPv6 Link Local
   $lineok = 0;
 }